2826981

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{2053}}^1$

素因数の和:2082

約数の個数: 20

約数和(自身を含む): 4473612

約数和(自身を除く): 1646631

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 2053, 6159, 18477, 34901, 55431, 104703, 166293, 314109, 942327, 2826981]

約数ペア:

[(1, 2826981), (3, 942327), (9, 314109), (17, 166293), (27, 104703), (51, 55431), (81, 34901), (153, 18477), (459, 6159), (1377, 2053)]